LAWS OF NOMENCLATURE. 31 



to tke quotation of the original author, aceording to 

 the nature of the changes that have been made, and 

 of that of the group that is dealt with. 



Art. 50. Names published from a private docu- 

 ment, such as an herbarium, a non-distributed collec- 

 tion, etc., are individualized by the addition of the 

 name of the author who publishes them, notwith- 

 standing the contrary indication that he may have 

 given. In Kke manner names used in gardens are 

 individualized by the mention of the author who first 

 publishes them. 



The herbarium, the collection, or the garden, should 

 be fully quoted in the text. {Lam. ex Commers. ms. 

 in Herb. Par.; lAndl. ex horto Lodd.) 



Art. 51. When a group is moved, without altera- 

 tion of name, to a higher or lower rank than that 

 which it held before, the change is considered equiva- 

 lent to the creation of an entirely new group, and the 

 author who has effected the change is the one to be 

 quoted. 



Art. 52. Authors' names put after those of plants 

 are abbreviated, unless they be very short. 



For this purpose, preliminary particles or letters 

 that do not, strictly speaking, form part of the name, 

 are suppressed, and the first letters are given without 

 any omission whatsoever. If a name of one syllable 

 is long enough to make it worth while to abridge 

 it^ the first consonants only are given {Br. for Brown); 

 if the name has two or more syllables, the first 

 syllable and the first letter of the following one are 

 taken ; or, the two first, if they are both consonants 

 {Juss. for De Jussieu ; Rich, for Eichard). 



When it is found necessary to give more of a name. 



